Truck cab skirt fairing



FIG. 1 is a perspective view of a truck cab skirt fairing showing my new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged side elevation view thereof;

FIG. 4 is an enlarged front elevation view thereof;

FIG. 5 is an enlarged back elevation view thereof; and

FIG. 6 is an enlarged bottom plan view thereof. 

The ornamental design for a truck cab skirt fairing, as shown and described. 